diff --git a/php_use.php b/php_use.php
new file mode 100644
index 0000000..2f9d654
--- /dev/null
+++ b/php_use.php
@@ -0,0 +1,19 @@
+<?php
+/**
+ * 闭包
+ * Created by PhpStorm.
+ * User: chentao
+ * Date: 2019/1/19
+ * Time: 1:09 PM
+ */
+
+$brr = [1,2,3,4,5,6];
+$a = 3;
+$test1 = function ($v) use ($a) {
+//    echo $v.'——'.$a."\n";
+    return $v + $a;
+};
+
+$newarr = array_map($test1, $brr);
+
+var_dump($newarr);die;
\ No newline at end of file